package com.multysite.quercus;

/*
 * Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

import java.io.Serializable;
import java.io.Writer;

import javax.script.CompiledScript;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptException;

import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.page.InterpretedPage;
import com.caucho.quercus.page.QuercusPage;
import com.caucho.quercus.program.QuercusProgram;
import com.caucho.vfs.NullWriteStream;
import com.caucho.vfs.ReaderWriterStream;
import com.caucho.vfs.WriteStream;

/**
 * Script engine
 */
public class MondayCompiledScript extends CompiledScript implements Serializable {
	/**
	 * 
	 */
	private static final long serialVersionUID = -8275066291067498912L;
	private final transient  MondayScriptingEngine _engine;
	private final transient  QuercusProgram _program;

	MondayCompiledScript(MondayScriptingEngine engine, QuercusProgram program) {		
		_engine = engine;
		_program = program;
	}

	/**
	 * evaluates based on a reader.
	 */
	public Object eval(ScriptContext cxt) throws ScriptException {

		Env env = null;

		try {
			Writer writer = cxt.getWriter();

			WriteStream out;

			if (writer != null) {
				ReaderWriterStream s = new ReaderWriterStream(null, writer);
				WriteStream os = new WriteStream(s);

				os.setNewlineString("\n");

				try {
					os.setEncoding("utf-8");
				} catch (Exception e) {
					e.printStackTrace();
				}

				out = os;
			} else
				{ out = new NullWriteStream();
				System.out.println("aaaa");
				}

			QuercusPage page = new InterpretedPage(_program);

			env = new Env(_engine.getQuercus(), page, out, null, null);

			env.setScriptContext(cxt);

			// php/214g
			env.start();

			Value resultV = _program.execute(env);

			Object result = null;
			if (resultV != null)
				result = resultV.toJavaObject();

			out.flushBuffer();
			out.free();
			writer.flush();
			return result;
			/*
			 * } catch (ScriptException e) { throw e;
			 */
		} catch (RuntimeException e) {
			throw e;
		} catch (Exception e) {
			throw new ScriptException(e);
		} catch (Throwable e) {
			throw new RuntimeException(e);
		} finally {
			if (env != null)
				;//env.close();
		}
	}

	/**
	 * Returns the script engine.
	 */
	public ScriptEngine getEngine() {
		return _engine;
	}

	public String toString() {
		return "MondayCompiledScript[]";
	}
}
